package com.itheima.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.itheima.common.R;
import com.itheima.entity.ShoppingCart;

/**
 * @author Tang
 * @date 2023/4/17
 */
public interface ShoppingCartService extends IService<ShoppingCart> {
    //添加购物车
    void add(ShoppingCart shoppingCart);

    R clean();
}
